... the skin behind the nail can cause median naildystrophy, which gives a lengthwise split or ridged appearance ... bed, and chronic destruction of the nail plate (naildystrophy). Other conditions that can affect the appearance of ...

... or absent. Abnormal growth of fingernails and toenails (naildystrophy) is also characteristic of Clouston syndrome. The nails ... and misshapen. In some people with Clouston syndrome, naildystrophy is the most noticeable feature of the disorder. ...